Circulatory System
Respiratory System
Digestive System
Nervous System
Skeletal/Muscular System
100
The circulatory system also includes a network of these.
What are capillaries?
100
There are millions of these in your lungs.
What are alveoli?
100
This part of the intestines is where most of the digestion takes place.
What is the small intestine?
100
Neurons send signals through these fibers.
What are axons?
100
Your bones are connected at these.
What are joints?
200
The cardiovascular/circulatory system is a ___ kind of system.
What is a closed system?
200
This tube,also known as the windpipe,allows for the passage of air.
What is the trachea?
200
This part of the intestines is responsible for expelling waste.
What is the large intestine?
200
Which part of the nervous system controls "fight or flight"?
What is the sympathetic nervous system?
200
This muscle separates your lungs from your stomach.
What is the diaphragm?
300
Blood that is depleted of oxygen goes to this section of the heart.
What is the right atrium?
300
This cavity helps filter the air we breathe and lighten the weight of the skull.
What is the sinus cavity?
300
This vestigal structure is located in the lower right quadrant of the abdomen.
What is the appendix?
300
These structures allow signals to pass from one neuron to the other.
What are synapses?
300
These four muscles are in the thigh.
What are the quadriceps?
400
Deoxgenated blood enters this vein before entering the heart.
What is the superior vena cava?
400
These passageways carry air from the trachea to the lungs.
What are bronchi?
400
These fingerlike protrusions in your small intestine increase absorption area,allowing for more nutrients to be absorbed.
What are villi?
400
This part of the brain connects with the spinal cord.
What is the brain stem?
400
This tendon,in the calf area,is also the strongest tendon in the body.
What is the Achilles tendon?
500
This blood vessel runs from the left ventricle of the heart to the abdomen.
What is the aorta?
500
This happens when a foreign body obstructs the passage of air.
What is asphyxia?
500
Cirrhosis is a disease that affects this organ.
What is the liver?
500
The brain and spinal cord make up this branch.
What is the central nervous system?
500
These muscles,located at joints, help connect bones.
What are ligaments?
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